If you want to thank us, please consider buying one of our e-books. You can buy LNBs suitable for Sky and Freesat from .uk.SatCure closed its business in March 2017 and this site is now providing INFORMATION only. Otherwise you can replace an LNB yourself. If you’re with Sky and can’t get your channels, call them for advice – they may need to come out and replace your LNB. Typically, this may mean that you can’t get any channels, or you can only get channels from one polarity (Horizontal-only, or Vertical-only). Sometimes, but rarely, LNBs develop a fault. These are no substitute for having two dedicated feeds from the LNB though. You can get an LNB switch box that will let you switch your single feed to either of two receivers – just not to feed both at the same time. If you have two receivers both trying to switch a single LNB, one box will win, and one will lose. Why? Satellite receivers send voltage and signals to the LNB to get the LNB to change frequency and ‘polarisation’ (some channels are Vertical and some are Horizontal). What should you do if you only have one feed from the dish, and two sockets on a box? Sadly, you can’t split a single feed from an LNB to let it feed two tuners at the same time. You won’t be able to record one channel while watching another, and some programmes that you set to record will fail if they record using the second dish feedĬan I split one satellite feed into two feeds?
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Can I use Sky+ with only one feed? Yes, but you’ll not be able to use the full service. To order Sky+, or Sky+HD, go to sky.com/shop/tv If you’re ordering Sky+ or Sky+HD from Sky, they will replace your LNB if needed and run the second feed cable for you. record one channel while watching another), you need an LNB with two or more outputs, and two feeds from the LNB. To make full use of a box that has two tuners (e.g. If you have a standard satellite receiver and want to switch to something like Sky+ or Sky+HD, you will find that your new box has two satellite sockets, but you may only have one lead coming from your dish. My box has two sockets, but I only have one feed! An Octo LNB will feed 4 twin-tuner boxes or 8 standard satellite boxes (or any combination). The most you can feed is 8, using an Octo LNB. This means that they need two feeds from the LNB, not one.īefore picking an LNB, you need to work out how many boxes you want to feed. Twin Tuner boxes? Some satellite receivers, such as Sky+, Sky+HD and the Foxsat Freesat receiver, have two tuners – these let you record one satellite channel while watching a different satellite channel.
This picture shows a Quad LNB – an LNB with four outputs:
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For instance, if you have two satellite TV boxes in your house, you need two feeds from the LNB – one for each box.Īs we said above, each satellite receiver needs its own feed from an LNB. The difference here is the number of outputs that the LNB has. On this page, we limit our discussion of LNBs to those that are used to get services in the UK from Sky Digital or Freesat.Īssuming we’re talking about Sky or Freesat, then the common types are single, dual, quad or octo Universal LNBs.
There are many different types of LNB out there – depending on the type of satellite dish and the satellite service you’re looking to get. The LNB pulls in the satellite signal that’s reflected from the dish and sends it to a set-top box LNB stands for “Low Noise Block downconverter”, and is the box that sits on a pole pointing to the middle of a satellite dish. What is an LNB? What does an LNB do? What sort do I need? We explain the basics of an LNB.